F.2 Factorization

👨🏻‍🏫 學術台數學

johnnyk

2006-12-26 9:34 pm

Please help me to factorize 5( x - 3 )+( x - 3 )( 2x - 3 ).
and also show the steps
thanks!

回答 (3)

用戶165691

2006-12-26 9:44 pm

✔ 最佳答案

5( x - 3 )+( x - 3 )( 2x - 3 )

= (x-3) {5+(2x-3)}
= (x-3)(5+2x-3)
= (x-3)(2+2x)
= 2(x-3)(1+x)

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昨天的死仔成為今日的死佬

2006-12-26 9:57 pm

5(X-3)+(X-3)(2X-3)
=(X-3)[(2X-3)+5]
=(X-3)(2X+2)
=2(X-3)(X+1)

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ckdlibcr

2006-12-26 9:47 pm

5 (x - 3) + (x - 3) (2x - 3)
= (x - 3) (5 + 2x - 3)
= (x - 3) (2x + 2)
= 2 (x - 3) (x + 1)

參考: Me

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